US1517909A

US1517909A - Razor sharpener for razor blades

Info

Publication number: US1517909A
Application number: US613558A
Authority: US
Inventors: King Sheldon
Original assignee: Individual
Current assignee: Individual
Priority date: 1923-01-18
Filing date: 1923-01-18
Publication date: 1924-12-02
Anticipated expiration: 1941-12-02

Description

. KNG

RAZOR SHARPENER FOR RAZQR BLADES Filed Jan. 18, 1923 Patented Dec. 2, i924.

i 'j Vslr-:Eragon KING, or nmjnorr, Mrcnreansf .r-z

/nAzoR sHARrEnni-c ron venzo-is' BLADES,

imitation aieagramiaryv is, raza.v seiai'ira 613,155,231.` ff" Be it known `that SHELDON Krsedaf citizen of thefUn'itedl Statesyand a resi-` dent of the city.oi.,l)etr oit. .in thecounty ofA Wayne and ,State-oi Michigan, have invented certain new and useful.,Improve-` ments in Razor Sharpeners for RaZiorQBlades, of which the following, ywhen taken'incom` nection' with the drawing, accompanying and forming a pa tion.

This invention relates toarazor sharp-y ener in which a plurality of rapidly revolv-l ing rolls which arel provided with abrad-m, ing surfaces of rdifferent degrees of {ine-y ness, are employed. i

Among the objects of thisinvention are to obtain/razor Sharpeners of ,thekind namedv which willform, together vwith the'` motive power therefor, a single unit; to obtain a razor Sharpener which yissimple in construction, .isvdurabla andis not liable( to break or get out of order; and an additional object is toqobtain a` razor sharpener of the kind named by means of which a razor blade may `readilyhe moved from.

a position in vwhich it may be opera-tedon by rolls having a given degreelof abrading surface, torollsrof a different degree` `'of abrading surface. A further Objectis ,to obtain a razor Sharpener of the kind named bymeans of whichA bothisides'otyaurazor blade adiacent'to the cutting edges thereof may easily be alternately applied to the abrading surface of the rolls corresponding Vwith vthe positionof. -said .razor blade. An additional object is to obtain means for rmlyholding a razorblade ywhich is to be sharpened by the machine in such. po: s'ition that when` said blade is presented to the abrading surfaces of said rolls itwill be suitably positioned `to properly7 sharpen the same.

I have illustrated a machine embodying the inventionin .the drawingreferred to, in which- A 1 y Y.

Fig. lis a.l front elevation..` y y Fi 2 is a. vertical section on line2`2 of Fig. 1, viewed as `indicated by arrows.

Fig. v3 is a, vertical section on line'B- ofFig. 1, viewed assindicatedeby arrows, and showingA a handle with a razory blade therein in a neutral position to permit said rt hereof, is a speeificav i razor blade appliedl to the" surface-of adetermined one fof the corresponding rolls;

l is'aftop plan 'view of the'nrazor#` lbla'dehandle. onlanenlarged scale.r`

,And Fig.l 5-is a sideelevation of hanfl die, alsofon an enlargedjscale.; Y y

Afnreferenoe 'characterl ap'pl'ed. to designate a lgiyenl part indicates v*said part throughout; the ,seyeralviewa wherever the" same appears.

A v represents...the `basel oi? the machine;

B.v B', representfs'tandards whichlare rigidlysecure'd tombase Ayas byboltsgb,K b',

Ci Cftrepresentshafts; which. are' ,respw tively, rotatably moujnted :in journal lbearings in standards B,"B4. ,'D'. D', respectively represent gearfwheelavwhich are rigidly secured on shafts C', with the te'e'ththere of Q intfe'rmesh'ingrig.4 X', v represents anelectric represents Ia, ygear, 'wheel which yfis lrigidlyf securedfon shaft Esso thaty the teeth thereof intermeshvvith the teeth fof gearfwheel D.v t GH, I, 'and J'".respectivelyrepresent" i 'i rolls .whichare rigidly securedyon shaft'C, as 'by pins, .mit it' .t and 7a which', respec'-` tively, extend through the hubs of said rolls and thrQUghsaid yfha'ft. G, H', I* and J', respectively represent rolls corresponding. withrollsG. ELI and J, whichy are rigidly secured, asfby pins g", h2, i', f and v"fk" v Lto sh attl C', ,The several 4rolls are surfaced with olifl' `erent grades of abrading` material,

as say, lrolls (U-'Gif are surfaced' fwith what Igterm coarsey abradingvmaterial, rolls. H, H', yare, surfaced with what, I term mediuml abradiiig material, Vand I, .,I" with fine abrading material. while rolls'J, J', are, preferably, surfaced 4withv leather facing material, The several' hubs" oi. the rolls s'er'vealsfo to hold said rolls inspaced relation to'each other, and to hold the end rolls in spacedrelation to the 'standard B," B. The4 standards B, B ,1 are, respectively, providedwith` a4 recess K, K', see Figs. 2 and 3; and L, AL,f respeotii'fely 'represent rods which servethedouble function of tie` rods between the standards, and guidesLfor the blade holder aboutto `loe described; y Rods L, L", respectively, lare rigidly held in standards B ,BQ by screws 'Z,Z, and Z-, Z. The? endsy ofLSaid ro'dsfare provided'with apertures having. internal "screw threads corresponding with the screw threads on said screws Z, Z, and Z', Z. The foregoing recited manner of securing rods L, L' in standards B, B', is to enable the operator to insert thehandle M in place on said rods L, L', by passing it through said recesses K, K', in placing said handle on said rods and removing it therefrom. The handle M comprises members which are substantially duplicates, and which are p-ivotally joined by rod or pin m, extending through abutments m', m'. m, m", represent abutments on the inner faces of the members of handle M, the opposing faces of said abutments m", m" being bevelled, and N represents a lever which is pivota-lly mounted on pin n. The pivotally mounted end n and n of said lever N being bevelled correspondingly with the abutments m", m", so that the turning of said lever on its pivot n, will force the ends of the members of handle M where said lever N and vabutments m" fm," are' ositioned. a art with said abutments in conta-ct with said rods, as illustrated in Fig. 3, the cutting edge of said razor blade P will be in suitable relation with the surfaces of the several rolls, so that as the free end of said handle M is moved up or down, turning said handle on one or the other of said rods L, L', the edge of 'the razorblade which is, tov be sharpened, will be. brought in proper contact' with the abradingsurface of rolls corresponding with the position, laterally, of said handle between said rods.

To operate the machine the motor X is energized, and the several rolls are rapidly revolved. The handle M, having a razor blade secured between the jaws O, O, is in- Serted, as recited, between the rods L, L', and in front of the determined pairs of said rolls. The handle M, M, is turned on said rods so as to alternately' bring said razor blade in Contact with a lower and an upper one of said determined pair of rolls, and said razor blade is ground thereby.. When suitably lground by said determined rolls the handle is turned to a neutral positiony and moved along said rods L, L to proper position between the adjacent rolls, having a finer abrading surface. The operation last above described is con tinued, until the razor blade 1s in suitable position between the rolls having the leather finishing surface, to which surfaces it is thensubjeetQd, until operations on the blade mimos are completed, when said handle may be removed from the machine, either by with drawing it directly therefrom, or by coniniiled Sliding of the handle along the rods It is to be understood that the condition of a razor blade determines how many of the several rolls are to be used to sharpen it, all of said rolls being required only when said blade is very dull.

I claim:

1. A razor Sharpener comprising standards respectively provided with recesses on one side'thereof, a plurality of parallel rods connectinglsaid standards, parallel shafts rotatably mounted yin said standards, means to rotate said shafts in opposite directions, rolls arranged in pairs rigidly mounted on said shafts, abrading surfaces on said rolls, the abrading surfaces of each pair being substantially alike and the abrading surfaces of different pairs being different, in combination with a handle provided with ja'ws at one end thereof adapted to hold a razor blade, and abutments on the outer faces thereof, and said handle adaptedk to be placed between said rods with 'the razor in said jaws in spaced relation with the abrading surfaces of the several rolls, said parallel rods respectively arranged to alternately lform the'fulcrums of vsaid handle and said abutments respectively'arranged to alternately co-act with said rods tof/,determine the position of said handles on Asaid fulcrums.

2. A handle comprising members pivotally connected together, abutments on the outer faces of said members, in spaced relation to the edges of the jaws of said members, opposing abutments on said members, adjacent to one end-thereof and jaws at the other end of saidmembers, a. pivotally mounted lever between said opposing abutments arranged to co-act with said abutments to control the relative position of said jaws, in combination with a razor Sharpener comprising 'rotatably mounted rolls provided with abrading surfaces and with a plurality of parallel rods respectively parallel to said rolls and adapted vto alternately form fulcrums, said abutments on the outer faces of the members of said handle arranged to co-act with said parallel rods to determine the position of said handle on said fulcrums and control the relation of said jaws to said rolls.

3. A base, standards rigidly secured to said base` said standards respectively provided with recesses'on one side thereof, a plurality of parallel rods secured in and connecting said standards adjacent to said recesses, in combination with parallel shafts rotatably mounted in said standards. intermeshing gear wheels rigidly sel cured on said shafts, vand. afpluralty of pairs of rolls rigidly secured in spaced rela-4 surfaces of the several pairs of rolls, said parallel rods respectively arranged to alternate1y form the fulcrum's of said. handles and said abutments res ectively arranged to alternately co-act Wit said rods to determine the position of said handles on said fulcrums.

SHELDON KING.

Witnesses:

lALMA B. PA'rroN, A. C. Mmm.